31870800848928 has 96 divisors (see below), whose sum is σ = 84149561059200. Its totient is φ = 10561722716160.

The previous prime is 31870800848899. The next prime is 31870800848947. The reversal of 31870800848928 is 82984800807813.

It is a Cunningham number, because it is equal to 5645423²-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9879493 + ... + 12702203.

It is an arithmetic number, because the mean of its divisors is an integer number (876557927700).

Almost surely, 2^{31870800848928} is an apocalyptic number.

It is an amenable number.

31870800848928 is an abundant number, since it is smaller than the sum of its proper divisors (52278760210272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31870800848928 is a wasteful number, since it uses less digits than its factorization.

31870800848928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823410 (or 2823402 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 66.

The spelling of 31870800848928 in words is "thirty-one trillion, eight hundred seventy billion, eight hundred million, eight hundred forty-eight thousand, nine hundred twenty-eight".